Documentation update - using chapters

[lewis]

At Using Chapters http://leoeditor.com/outlines.html#using-chapters

It still refers to many obsolete commands.

Update it to only refer to:

- ``chapter-select`` command prompts for a chapter name and makes only the nodes of the selected chapter visible.

- ``chapter-select-main`` Selects the main chapter. Or returns to the previous node.

- ``chapter-next`` Selects the next chapter.

- ``chapter-back`` Selects the previous chapter.

Regards

Lewis

[lewis]

It appears this is an old 4.11 link.

You get to it via Directives Reference http://leoeditor.com/directives.html#index-27

Go to @chapter and correct the link 'Using Chapters'

from http://leoeditor.com/outlines.html#using-chapters

to http://leoeditor.com/commands.html#using-chapters

Lewis

[Edward K. Ream]

​Fixed at 3058b7d and on the web.  Many thanks for this.

Edward